Continuity mistake: When Tawny reaches shore you can see the raft near the coastline about to be pulled out to sea, but when she appears under the palm tree the raft is safely on shore.
Continuity mistake: When the Stevens family are travelling to Mandelino Island, their plane between shots. The colors on its tail change constantly.
Continuity mistake: Around the beginning, when Louis is talking to Twitty and Tawny and the other guy on his chair, you can see that he has a soda can on the chair. The straw keeps on appearing and disappearing between shots.